Quiz on Carbon and its Compounds
1. The gas used in welding and cutting metals is :
Ans. Ethyne/ Acetylene
2. Major constituents of LPG is
Ans. Butane
3. Who prepared urea for the first time by heating ammonium cyanate?
Ans. Wohler
4. General formula of Alkyne is
Ans. Cn H2n-2
5. Carboxylic acid containing one carbon atom is called
Ans. Formic acid
6. A functional group mainly determines the
Ans. Chemical properties
7. 100% pure ethyl alcohol is called
Ans. Absolute alcohol
8. What does IUPAC stand for?
Ans. International Union of Pure and Applied Chemistry
9. Marsh gas mainly contains:
Ans. Methane
10. The conversion of ethanol to ethane is an example of :
Ans. Dehydration
11. What is known as grain alcohol?
Ans. Ethanol
12. Baeyer’s reagent is :
Ans. Alkaline KMnO4 solution
13. Ethane with the molecular formula C2H6 has __________ covalent bonds.
Ans. 7
14. The percentage of N2 in urea is about
Ans. 46.66 per cent
15. Nucleophiles are :
Ans. Nucleus -loving species
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